1. 修复的CVE信息
CVE-2021-3498
描述：GStreamer 1.18.4之前可能会导致堆腐败当解析某些畸形Matroska文件。
2. 影响的操作系统及修复版本
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gstreamer1-plugins-good-1.16.2-2.ky10
gstreamer1-plugins-good-debugsource-1.16.2-2.ky10
gstreamer1-plugins-good-gtk-1.16.2-2.ky10
gstreamer1-plugins-good-help-1.16.2-2.ky10
3. 受影响的软件包
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aarch64:gstreamer1-plugins-good、gstreamer1-plugins-good-debugsource、gstreamer1-plugins-good-gtk、gstreamer1-plugins-good-help
x86_64:gstreamer1-plugins-good、gstreamer1-plugins-good-debugsource、gstreamer1-plugins-good-gtk、gstreamer1-plugins-good-help
4. 修复方法
方法一：配置源进行升级安装
1.打开软件包源配置文件，根据仓库地址进行修改。
仓库源地址：
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aarch64:https://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/aarch64/
x86_64:https://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/x86_64/
2.配置完成后执行更新命令进行升级，命令如下：yum update Packagename
方法二：下载安装包进行升级安装
通过软件包地址下载软件包，使用软件包升级命令根据受影响的软件包列表进行升级安装,命令如下：yum install Packagename
5. 软件包下载地址
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gstreamer1-plugins-good aarch64软件包下载地址:
https://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/gstreamer1-plugins-good-1.16.2-2.ky10.aarch64.rpm
https://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/gstreamer1-plugins-good-debugsource-1.16.2-2.ky10.aarch64.rpm
https://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/gstreamer1-plugins-good-gtk-1.16.2-2.ky10.aarch64.rpm
https://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/gstreamer1-plugins-good-help-1.16.2-2.ky10.noarch.rpm
gstreamer1-plugins-good x86_64软件包下载地址:
https://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/gstreamer1-plugins-good-1.16.2-2.ky10.x86_64.rpm
https://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/gstreamer1-plugins-good-debugsource-1.16.2-2.ky10.x86_64.rpm
https://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/gstreamer1-plugins-good-gtk-1.16.2-2.ky10.x86_64.rpm
https://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/gstreamer1-plugins-good-help-1.16.2-2.ky10.noarch.rpm
注：其他相关依赖包请到相同目录下载
